Adds libkrb5 to debian-oldstable #1547

Job	Run time
adapt_release	4s
unit-tests / Rust	4m 42s
unit-tests / C	1m 4s
linting / C	9s
linting / Rust	2m 38s
linting / Rust-Audit	11s
linting / Rust-Typos	1m 19s
init / init	6s
build / Rust	10m 7s
build / C	2m 31s
container / debian:oldstable	6m 51s
functional / tests	5m 18s
container / debian:testing	16m 42s
container / debian:stable	12m 19s
container / ghcr:debian:stable	2m 2s
container / greenbone-reg:debian:stable / build-amd64	2m 56s
container / greenbone-reg:debian:stable / build-arm64	2m 57s
container / greenbone-reg:debian:stable / create-multi-arch-manifest	0s
container / greenbone-reg:debian:stable / harbor-replication	0s
container / greenbone-reg:debian:stable / notify / notify-mattermost	12s
container / greenbone-reg:debian:stable / building-product-compose	0s
smoketests	0s
release	0s
helm	0s
	1h 12m 8s

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